Both front tires sustained excessive outer edge tread wear. All outer tread of each is nearly gone at 17.5K miles! worn only at far outer edge (approx 1/2" to 1") of tread. Rest of tread on both tires is very good to excellent for 17.5K miles. Inflation kept at BMW's recommendation of 32 cold psi. Non-aggressive driving. No indications of other severe wear, use, impact, or abuse to these tires or to the rears. All are original tires. Rear tires are same but larger size: 285/45R19. Rear tires in excellent condition for 17.5K miles. Front tires show classic signs of excessive positive camber. Could be from bad original factory alignment, or bad front suspension components like sagging springs, worn ball joints, or worn control arm bushings. Car only serviced at rusnak. Never in accident nor any front end dmgs. Svc. History shows car never aligned. Dealer's service advisor verbally asserts "this wear is normal for bmws" yet is unable to substantiate with any other vehicles on his lot. I've owned 2 other bmws for over 11 yrs. And neither has ever had this problem. He refuses to inspect alignment and/or suspension and refuses to accept any independent tests/reports from any alignment specialty shop. I seek dealer properly diagnosing and correcting defect in suspension/alignment/tires. I'm willing to pay for used 17.5K mileage already on tires. Conversation threads via internet on bimmer.org X5 board at roadfly.com show others having X5 suspension/tire pblms. Rear cargo interior lights can't be switched off as stated: Pg 87 of owner manual. A/C runs warm at idle and during accell. Rear A/C noisy and doesn't blow hard. Dealer denies anything wrong with all these items. (dot number: Djl459 tiresize: 255/50R19)

- Woodland Hills, CA, USA